@ -418,6 +421,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
## Queuing
* [ActiveMQ](https://activemq.apache.org/) - Open source java message broker.
* [BeanstalkD](http://kr.github.io/beanstalkd/) - A simple, fast work queue.
* [Gearman](http://gearman.org/) - Fast multi-language queuing/job processing platform.
* [Kafka](http://kafka.apache.org) - Extremely high performance publish/subscribe message system.
@ -447,6 +451,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
* [Glastopf](http://glastopf.org/) - A low-interaction web application honeypot to emulate vulnerabilities and gather attack data.
* [Kippo](https://github.com/desaster/kippo) - A medium-interaction SSH honeypot, mostly used as a standalone SSH daemon with a configurable Filesystem sandbox.
* [OSSEC](http://ossec.net) - OSSEC is a HIDS that performs log analysis, FIM, rootkit detection, and much more.
* [OSQuery](https://osquery.io/) - Query your servers status and info using a SQL like interface.
* [pfSense](https://www.pfsense.org/) - Firewall and Router FreeBSD distribution.
* [Snort](https://www.snort.org/) - Snort is a free and open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS) created by Martin Roesch in 1998.
* [SpamAssassin](https://spamassassin.apache.org/) - A powerful and popular email spam filter employing a variety of detection technique.
@ -538,10 +543,13 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
## Virtualization
*Virtualization software.*
* [Archipel](http://archipelproject.org/) - XMPP based virtualization management platform.
* [Ganeti](https://code.google.com/p/ganeti/) - Cluster virtual server management software tool built on top of KVM and Xen.
* [KVM](http://www.linux-kvm.org) - Linux kernel virtualization infrastructure.
* [OpenNebula](http://opennebula.org/) - Flexible enterprise cloud made simple.
* [oVirt](http://www.ovirt.org/) - Manages virtual machines, storage and virtual networks.
* [Packer](http://www.packer.io/) - A tool for creating identical machine images for multiple platforms from a single source configuration.
* [Proxmox VE](https://www.proxmox.com/proxmox-ve) - Complete open source virtualization management solution.
* [QEMU](http://www.qemu.org/) - QEMU is a generic and open source machine emulator and virtualizer.
* [Vagrant](https://www.vagrantup.com/) - Tool for building complete development environments.
* [VirtualBox](https://www.virtualbox.org/) - Virtualization product from Oracle Corporation.
@ -567,6 +575,12 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
* [Prosody IM](http://prosody.im/) - XMPP server written in Lua.
* [Tigase](https://projects.tigase.org/projects/tigase-server) - XMPP server implementation in Java.
*XMPP Web Clients*
* [Candy](http://candy-chat.github.io/candy/) - Multi user XMPP client written in Javascript.
* [Kaiwa](http://getkaiwa.com/) - Web based chat client in the style of common paid alternatives.
* [Lets-Chat](http://sdelements.github.io/lets-chat/) - A self hosted chat suite written in Node.